55052070 has 32 divisors (see below), whose sum is σ = 133440480. Its totient is φ = 14534400.

The previous prime is 55052057. The next prime is 55052077. The reversal of 55052070 is 7025055.

It is a super-2 number, since 2×55052070² = 6061460822569800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55052070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55052077) 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, 6055 + ... + 12114.

It is an arithmetic number, because the mean of its divisors is an integer number (4170015).

Almost surely, 2^55052070 is an apocalyptic number.

55052070 is an abundant number, since it is smaller than the sum of its proper divisors (78388410).

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

55052070 is a wasteful number, since it uses less digits than its factorization.

55052070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18280.

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 55052070 is about 7419.7082152872. The cubic root of 55052070 is about 380.4152201836.

The spelling of 55052070 in words is "fifty-five million, fifty-two thousand, seventy".