55265651 has 4 divisors (see below), whose sum is σ = 63160752. Its totient is φ = 47370552.

The previous prime is 55265611. The next prime is 55265669. The reversal of 55265651 is 15656255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15656255 = 5 ⋅3131251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55265651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55265611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3947540 + ... + 3947553.

It is an arithmetic number, because the mean of its divisors is an integer number (15790188).

Almost surely, 2^55265651 is an apocalyptic number.

55265651 is a deficient number, since it is larger than the sum of its proper divisors (7895101).

55265651 is an equidigital number, since it uses as much as digits as its factorization.

55265651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7895100.

The product of its digits is 45000, while the sum is 35.

The square root of 55265651 is about 7434.0870993014. The cubic root of 55265651 is about 380.9065405931.

The spelling of 55265651 in words is "fifty-five million, two hundred sixty-five thousand, six hundred fifty-one".