55101939 has 8 divisors (see below), whose sum is σ = 74566080. Its totient is φ = 36186216.

The previous prime is 55101931. The next prime is 55101941. The reversal of 55101939 is 93910155.

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

It is not a de Polignac number, because 55101939 - 2³ = 55101931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55101931) 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, 136869 + ... + 137270.

It is an arithmetic number, because the mean of its divisors is an integer number (9320760).

Almost surely, 2^55101939 is an apocalyptic number.

55101939 is a deficient number, since it is larger than the sum of its proper divisors (19464141).

55101939 is a wasteful number, since it uses less digits than its factorization.

55101939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274209.

The product of its (nonzero) digits is 6075, while the sum is 33.

The square root of 55101939 is about 7423.0680314813. The cubic root of 55101939 is about 380.5300520825.

The spelling of 55101939 in words is "fifty-five million, one hundred one thousand, nine hundred thirty-nine".