54645263 has 16 divisors (see below), whose sum is σ = 59079360. Its totient is φ = 50409216.

The previous prime is 54645211. The next prime is 54645287. The reversal of 54645263 is 36254645.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54645263 - 2¹⁴ = 54628879 is a prime.

It is a super-2 number, since 2×54645263² = 5972209536678338, 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 (54645163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133403 + ... + 133811.

It is an arithmetic number, because the mean of its divisors is an integer number (3692460).

Almost surely, 2^54645263 is an apocalyptic number.

54645263 is a deficient number, since it is larger than the sum of its proper divisors (4434097).

54645263 is a wasteful number, since it uses less digits than its factorization.

54645263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626.

The product of its digits is 86400, while the sum is 35.

The square root of 54645263 is about 7392.2434348444. The cubic root of 54645263 is about 379.4758771481.

The spelling of 54645263 in words is "fifty-four million, six hundred forty-five thousand, two hundred sixty-three".