55151959 has 8 divisors (see below), whose sum is σ = 56754432. Its totient is φ = 53570400.

The previous prime is 55151951. The next prime is 55151963. The reversal of 55151959 is 95915155.

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

It is not a de Polignac number, because 55151959 - 2³ = 55151951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55151951) 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, 202 + ... + 10504.

It is an arithmetic number, because the mean of its divisors is an integer number (7094304).

Almost surely, 2^55151959 is an apocalyptic number.

55151959 is a deficient number, since it is larger than the sum of its proper divisors (1602473).

55151959 is a wasteful number, since it uses less digits than its factorization.

55151959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10457.

The product of its digits is 50625, while the sum is 40.

The square root of 55151959 is about 7426.4364940394. The cubic root of 55151959 is about 380.6451621065.

The spelling of 55151959 in words is "fifty-five million, one hundred fifty-one thousand, nine hundred fifty-nine".