55150152 has 16 divisors (see below), whose sum is σ = 137875440. Its totient is φ = 18383376.

The previous prime is 55150133. The next prime is 55150153. The reversal of 55150152 is 25105155.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2297923 = 55150152 / (5 + 5 + 1 + 5 + 0 + 1 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (55150153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148938 + ... + 1148985.

It is an arithmetic number, because the mean of its divisors is an integer number (8617215).

Almost surely, 2^55150152 is an apocalyptic number.

It is an amenable number.

55150152 is an abundant number, since it is smaller than the sum of its proper divisors (82725288).

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

55150152 is a wasteful number, since it uses less digits than its factorization.

55150152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297932 (or 2297928 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 55150152 is about 7426.3148330784. The cubic root of 55150152 is about 380.6410049056.

The spelling of 55150152 in words is "fifty-five million, one hundred fifty thousand, one hundred fifty-two".