54951431 has 4 divisors (see below), whose sum is σ = 55083000. Its totient is φ = 54819864.

The previous prime is 54951409. The next prime is 54951461. The reversal of 54951431 is 13415945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54951431 - 2⁶ = 54951367 is a prime.

It is a super-2 number, since 2×54951431² = 6039319537895522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54951461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65156 + ... + 65993.

It is an arithmetic number, because the mean of its divisors is an integer number (13770750).

Almost surely, 2^54951431 is an apocalyptic number.

54951431 is a deficient number, since it is larger than the sum of its proper divisors (131569).

54951431 is a wasteful number, since it uses less digits than its factorization.

54951431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131568.

The product of its digits is 10800, while the sum is 32.

The square root of 54951431 is about 7412.9232425542. The cubic root of 54951431 is about 380.1832703220.

The spelling of 54951431 in words is "fifty-four million, nine hundred fifty-one thousand, four hundred thirty-one".