55934040 has 64 divisors (see below), whose sum is σ = 173599200. Its totient is φ = 14400512.

The previous prime is 55934033. The next prime is 55934041. The reversal of 55934040 is 4043955.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 55933989 and 55934007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55934041) 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, 4557 + ... + 11516.

Almost surely, 2^55934040 is an apocalyptic number.

It is an amenable number.

55934040 is an abundant number, since it is smaller than the sum of its proper divisors (117665160).

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

55934040 is a wasteful number, since it uses less digits than its factorization.

55934040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16116 (or 16112 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 55934040 is about 7478.9063371592. The cubic root of 55934040 is about 382.4359668965.

Adding to 55934040 its reverse (4043955), we get a palindrome (59977995).

The spelling of 55934040 in words is "fifty-five million, nine hundred thirty-four thousand, forty".