55210070 has 32 divisors (see below), whose sum is σ = 103092480. Its totient is φ = 21265920.

The previous prime is 55210069. The next prime is 55210073. The reversal of 55210070 is 7001255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55210073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96746 + ... + 97314.

It is an arithmetic number, because the mean of its divisors is an integer number (3221640).

Almost surely, 2^55210070 is an apocalyptic number.

55210070 is a deficient number, since it is larger than the sum of its proper divisors (47882410).

55210070 is a wasteful number, since it uses less digits than its factorization.

55210070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 55210070 is about 7430.3479057175. The cubic root of 55210070 is about 380.7788044234.

The spelling of 55210070 in words is "fifty-five million, two hundred ten thousand, seventy".