55288701 has 24 divisors (see below), whose sum is σ = 86268000. Its totient is φ = 33919776.

The previous prime is 55288697. The next prime is 55288721. The reversal of 55288701 is 10788255.

It is not a de Polignac number, because 55288701 - 2² = 55288697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55288721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57910 + ... + 58856.

It is an arithmetic number, because the mean of its divisors is an integer number (3594500).

Almost surely, 2^55288701 is an apocalyptic number.

It is an amenable number.

55288701 is a deficient number, since it is larger than the sum of its proper divisors (30979299).

55288701 is a wasteful number, since it uses less digits than its factorization.

55288701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 55288701 is about 7435.6372289132. The cubic root of 55288701 is about 380.9594889450.

It can be divided in two parts, 552 and 88701, that added together give a triangular number (89253 = T₄₂₂).

The spelling of 55288701 in words is "fifty-five million, two hundred eighty-eight thousand, seven hundred one".