55357071 has 16 divisors (see below), whose sum is σ = 92022528. Its totient is φ = 28756800.

The previous prime is 55357061. The next prime is 55357079. The reversal of 55357071 is 17075355.

It is not a de Polignac number, because 55357071 - 2⁶ = 55357007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55357079) 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, 119590 + ... + 120051.

It is an arithmetic number, because the mean of its divisors is an integer number (5751408).

Almost surely, 2^55357071 is an apocalyptic number.

55357071 is a deficient number, since it is larger than the sum of its proper divisors (36665457).

55357071 is a wasteful number, since it uses less digits than its factorization.

55357071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239662.

The product of its (nonzero) digits is 18375, while the sum is 33.

The square root of 55357071 is about 7440.2332624724. The cubic root of 55357071 is about 381.1164557448.

The spelling of 55357071 in words is "fifty-five million, three hundred fifty-seven thousand, seventy-one".