53557007 has 8 divisors (see below), whose sum is σ = 61620000. Its totient is φ = 45597024.

The previous prime is 53556989. The next prime is 53557033. The reversal of 53557007 is 70075535.

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

It is a cyclic number.

It is not a de Polignac number, because 53557007 - 2¹² = 53552911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53557037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24632 + ... + 26717.

It is an arithmetic number, because the mean of its divisors is an integer number (7702500).

Almost surely, 2^53557007 is an apocalyptic number.

53557007 is a deficient number, since it is larger than the sum of its proper divisors (8062993).

53557007 is a wasteful number, since it uses less digits than its factorization.

53557007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51505.

The product of its (nonzero) digits is 18375, while the sum is 32.

The square root of 53557007 is about 7318.2652999191. The cubic root of 53557007 is about 376.9398900850.

The spelling of 53557007 in words is "fifty-three million, five hundred fifty-seven thousand, seven".