2551212554 has 16 divisors (see below), whose sum is σ = 4183862976. Its totient is φ = 1157100000.

The previous prime is 2551212551. The next prime is 2551212571. The reversal of 2551212554 is 4552121552.

It is a happy number.

It is a super-3 number, since 3×2551212554³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2551212554.

It is not an unprimeable number, because it can be changed into a prime (2551212551) 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, 116822 + ... + 136929.

It is an arithmetic number, because the mean of its divisors is an integer number (261491436).

Almost surely, 2^2551212554 is an apocalyptic number.

2551212554 is a deficient number, since it is larger than the sum of its proper divisors (1632650422).

2551212554 is a wasteful number, since it uses less digits than its factorization.

2551212554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254221.

The product of its digits is 20000, while the sum is 32.

The square root of 2551212554 is about 50509.5293385318. The cubic root of 2551212554 is about 1366.4137211692.

The spelling of 2551212554 in words is "two billion, five hundred fifty-one million, two hundred twelve thousand, five hundred fifty-four".