55131070 has 8 divisors (see below), whose sum is σ = 99235944. Its totient is φ = 22052424.

The previous prime is 55131067. The next prime is 55131071. The reversal of 55131070 is 7013155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55131071) 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, 2756544 + ... + 2756563.

It is an arithmetic number, because the mean of its divisors is an integer number (12404493).

Almost surely, 2^55131070 is an apocalyptic number.

55131070 is a deficient number, since it is larger than the sum of its proper divisors (44104874).

55131070 is a wasteful number, since it uses less digits than its factorization.

55131070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513114.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 55131070 is about 7425.0299662695. The cubic root of 55131070 is about 380.5970991364.

The spelling of 55131070 in words is "fifty-five million, one hundred thirty-one thousand, seventy".