55742055 has 32 divisors (see below), whose sum is σ = 91153920. Its totient is φ = 29082240.

The previous prime is 55742051. The next prime is 55742059. The reversal of 55742055 is 55024755.

It is an interprime number because it is at equal distance from previous prime (55742051) and next prime (55742059).

It is not a de Polignac number, because 55742055 - 2² = 55742051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55742051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168240 + ... + 168570.

It is an arithmetic number, because the mean of its divisors is an integer number (2848560).

Almost surely, 2^55742055 is an apocalyptic number.

55742055 is a deficient number, since it is larger than the sum of its proper divisors (35411865).

55742055 is a wasteful number, since it uses less digits than its factorization.

55742055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 35000, while the sum is 33.

The square root of 55742055 is about 7466.0602060257. The cubic root of 55742055 is about 381.9979144281.

The spelling of 55742055 in words is "fifty-five million, seven hundred forty-two thousand, fifty-five".