55011502 has 16 divisors (see below), whose sum is σ = 101560032. Its totient is φ = 21762720.

The previous prime is 55011499. The next prime is 55011527. The reversal of 55011502 is 20511055.

It is a self number, because there is not a number n which added to its sum of digits gives 55011502.

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, 150949 + ... + 151312.

It is an arithmetic number, because the mean of its divisors is an integer number (6347502).

Almost surely, 2^55011502 is an apocalyptic number.

55011502 is a deficient number, since it is larger than the sum of its proper divisors (46548530).

55011502 is a wasteful number, since it uses less digits than its factorization.

55011502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302283.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 55011502 is about 7416.9739112390. The cubic root of 55011502 is about 380.3217542642.

Adding to 55011502 its reverse (20511055), we get a palindrome (75522557).

The spelling of 55011502 in words is "fifty-five million, eleven thousand, five hundred two".