55015727 has 16 divisors (see below), whose sum is σ = 61090848. Its totient is φ = 49221120.

The previous prime is 55015711. The next prime is 55015729. The reversal of 55015727 is 72751055.

It is not a de Polignac number, because 55015727 - 2⁴ = 55015711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55015693 and 55015702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015729) 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, 123968 + ... + 124410.

It is an arithmetic number, because the mean of its divisors is an integer number (3818178).

Almost surely, 2^55015727 is an apocalyptic number.

55015727 is a deficient number, since it is larger than the sum of its proper divisors (6075121).

55015727 is a wasteful number, since it uses less digits than its factorization.

55015727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 55015727 is about 7417.2587254322. The cubic root of 55015727 is about 380.3314905207.

The spelling of 55015727 in words is "fifty-five million, fifteen thousand, seven hundred twenty-seven".