55135026 has 16 divisors (see below), whose sum is σ = 122522400. Its totient is φ = 18378324.

The previous prime is 55135007. The next prime is 55135027. The reversal of 55135026 is 62053155.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55135027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510456 + ... + 510563.

It is an arithmetic number, because the mean of its divisors is an integer number (7657650).

Almost surely, 2^55135026 is an apocalyptic number.

55135026 is an abundant number, since it is smaller than the sum of its proper divisors (67387374).

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

55135026 is a wasteful number, since it uses less digits than its factorization.

55135026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021030 (or 1021024 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55135026 is about 7425.2963577220. The cubic root of 55135026 is about 380.6062023282.

The spelling of 55135026 in words is "fifty-five million, one hundred thirty-five thousand, twenty-six".