55507342 has 16 divisors (see below), whose sum is σ = 91854000. Its totient is φ = 24946240.

The previous prime is 55507327. The next prime is 55507351. The reversal of 55507342 is 24370555.

It is a congruent number.

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, 12217 + ... + 16132.

It is an arithmetic number, because the mean of its divisors is an integer number (5740875).

Almost surely, 2^55507342 is an apocalyptic number.

55507342 is a deficient number, since it is larger than the sum of its proper divisors (36346658).

55507342 is a wasteful number, since it uses less digits than its factorization.

55507342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28451.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 55507342 is about 7450.3249593558. The cubic root of 55507342 is about 381.4610007503.

Adding to 55507342 its reverse (24370555), we get a palindrome (79877897).

It can be divided in two parts, 5550734 and 2, that added together give a square (5550736 = 2356²).

The spelling of 55507342 in words is "fifty-five million, five hundred seven thousand, three hundred forty-two".