55040150 has 96 divisors (see below), whose sum is σ = 123206400. Its totient is φ = 18057600.

The previous prime is 55040147. The next prime is 55040179. The reversal of 55040150 is 5104055.

It is a super-2 number, since 2×55040150² = 6058836224045000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 240236 + ... + 240464.

It is an arithmetic number, because the mean of its divisors is an integer number (1283400).

Almost surely, 2^55040150 is an apocalyptic number.

55040150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55040150 is an abundant number, since it is smaller than the sum of its proper divisors (68166250).

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

55040150 is a wasteful number, since it uses less digits than its factorization.

55040150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 55040150 is about 7418.9049057122. The cubic root of 55040150 is about 380.3877620774.

The spelling of 55040150 in words is "fifty-five million, forty thousand, one hundred fifty".