55403034 has 48 divisors (see below), whose sum is σ = 119361600. Its totient is φ = 17138176.

The previous prime is 55403027. The next prime is 55403039. The reversal of 55403034 is 43030455.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55402995 and 55403013.

It is not an unprimeable number, because it can be changed into a prime (55403039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154147 + ... + 154505.

It is an arithmetic number, because the mean of its divisors is an integer number (2486700).

Almost surely, 2^55403034 is an apocalyptic number.

55403034 is an abundant number, since it is smaller than the sum of its proper divisors (63958566).

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

55403034 is a wasteful number, since it uses less digits than its factorization.

55403034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 55403034 is about 7443.3214360257. The cubic root of 55403034 is about 381.2219069508.

Adding to 55403034 its reverse (43030455), we get a palindrome (98433489).

The spelling of 55403034 in words is "fifty-five million, four hundred three thousand, thirty-four".