55161053 has 8 divisors (see below), whose sum is σ = 56275968. Its totient is φ = 54057024.

The previous prime is 55161037. The next prime is 55161079. The reversal of 55161053 is 35016155.

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

It is a cyclic number.

It is not a de Polignac number, because 55161053 - 2⁴ = 55161037 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 (55161013) 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, 7925 + ... + 13157.

It is an arithmetic number, because the mean of its divisors is an integer number (7034496).

Almost surely, 2^55161053 is an apocalyptic number.

It is an amenable number.

55161053 is a deficient number, since it is larger than the sum of its proper divisors (1114915).

55161053 is a wasteful number, since it uses less digits than its factorization.

55161053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 55161053 is about 7427.0487409199. The cubic root of 55161053 is about 380.6660824686. Note that the first 3 decimals are identical.

The spelling of 55161053 in words is "fifty-five million, one hundred sixty-one thousand, fifty-three".