15740055 has 16 divisors (see below), whose sum is σ = 27982560. Its totient is φ = 8394624.

The previous prime is 15740051. The next prime is 15740057. The reversal of 15740055 is 55004751.

15740055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15740055 - 2² = 15740051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15740051) 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, 58162 + ... + 58431.

It is an arithmetic number, because the mean of its divisors is an integer number (1748910).

Almost surely, 2^15740055 is an apocalyptic number.

15740055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15740055 is a deficient number, since it is larger than the sum of its proper divisors (12242505).

15740055 is a wasteful number, since it uses less digits than its factorization.

15740055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116607 (or 116601 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 15740055 is about 3967.3738165189. The cubic root of 15740055 is about 250.6121266473.

The spelling of 15740055 in words is "fifteen million, seven hundred forty thousand, fifty-five".