55523742 has 8 divisors (see below), whose sum is σ = 111047496. Its totient is φ = 18507912.

The previous prime is 55523737. The next prime is 55523761. The reversal of 55523742 is 24732555.

It is a sphenic number, since it is the product of 3 distinct primes.

55523742 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4626973 + ... + 4626984.

It is an arithmetic number, because the mean of its divisors is an integer number (13880937).

Almost surely, 2^55523742 is an apocalyptic number.

55523742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55523742 is a wasteful number, since it uses less digits than its factorization.

55523742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9253962.

The product of its digits is 42000, while the sum is 33.

The square root of 55523742 is about 7451.4255012045. The cubic root of 55523742 is about 381.4985654169.

It can be divided in two parts, 55523 and 742, that added together give a palindrome (56265).

The spelling of 55523742 in words is "fifty-five million, five hundred twenty-three thousand, seven hundred forty-two".