42251554 has 16 divisors (see below), whose sum is σ = 67092480. Its totient is φ = 19900080.

The previous prime is 42251549. The next prime is 42251567. The reversal of 42251554 is 45515224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3807 + ... + 9949.

It is an arithmetic number, because the mean of its divisors is an integer number (4193280).

Almost surely, 2^42251554 is an apocalyptic number.

42251554 is a deficient number, since it is larger than the sum of its proper divisors (24840926).

42251554 is a wasteful number, since it uses less digits than its factorization.

42251554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345.

The product of its digits is 8000, while the sum is 28.

The square root of 42251554 is about 6500.1195373624. The cubic root of 42251554 is about 348.2952585129.

Adding to 42251554 its reverse (45515224), we get a palindrome (87766778).

The spelling of 42251554 in words is "forty-two million, two hundred fifty-one thousand, five hundred fifty-four".