5557161501 has 48 divisors (see below), whose sum is σ = 8621503488. Its totient is φ = 3436992000.

The previous prime is 5557161487. The next prime is 5557161509. The reversal of 5557161501 is 1051617555.

It is a happy number.

It is not a de Polignac number, because 5557161501 - 2¹⁴ = 5557145117 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5557161509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4187100 + ... + 4188426.

It is an arithmetic number, because the mean of its divisors is an integer number (179614656).

Almost surely, 2^5557161501 is an apocalyptic number.

5557161501 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5557161501 is a deficient number, since it is larger than the sum of its proper divisors (3064341987).

5557161501 is a wasteful number, since it uses less digits than its factorization.

5557161501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722 (or 1719 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 36.

The square root of 5557161501 is about 74546.3714811123. The cubic root of 5557161501 is about 1771.2682560318.

The spelling of 5557161501 in words is "five billion, five hundred fifty-seven million, one hundred sixty-one thousand, five hundred one".