50501010551 has 4 divisors (see below), whose sum is σ = 50502871104. Its totient is φ = 50499150000.

The previous prime is 50501010533. The next prime is 50501010649. The reversal of 50501010551 is 15501010505.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15501010505 = 5 ⋅3100202101.

It is a cyclic number.

It is not a de Polignac number, because 50501010551 - 2¹⁰ = 50501009527 is a prime.

It is a super-3 number, since 3×50501010551³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50501010151) 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, 888950 + ... + 944051.

It is an arithmetic number, because the mean of its divisors is an integer number (12625717776).

Almost surely, 2^50501010551 is an apocalyptic number.

50501010551 is a deficient number, since it is larger than the sum of its proper divisors (1860553).

50501010551 is a wasteful number, since it uses less digits than its factorization.

50501010551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860552.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 50501010551 in words is "fifty billion, five hundred one million, ten thousand, five hundred fifty-one".